Eyes are ne of the most essential parts of a body. Not only humans, but other organisms also need them to see and perform various day-to-day functions. There are various things to be known about our eyes. Let us know about them in details, so that we can understand these organs better.
Our eyes are constantly washed by tears through the process of blinking. This is also a way of keeping them moist. Naturally, our eyes are provided overall protection. Eyelashes help in keeping the dirt away from sensitive eyes. Eyebrows help in keeping sweat away. These things can cause harm to the eyes and hence, our body provides protection. Additionally, it is always suggested to not put anything in eyes unless prescribed by a certified doctor. Otherwise, it may harm our sight. Using a medicine or drops that are not expired and are exactly what the doctor has told will save us from trouble.
The cornea of shark is like humans’ and this is why it is used in many eye surgeries. Another thing to know is that diabetes can cause blindness very easily. On approximate, human eyes can distinctly see 500 gray shades. Also, human eyeball has weight no more than 28 grams. One of the very interesting facts about human eyes is that cornea is the only part of our body that has no blood vessels at all. Another interesting thing is that a newborn human baby is color blind. Also, babies eyes do not produce any tears till the age of 6-8 weeks.